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What is the average oxidation state of o...

What is the average oxidation state of oxygen In `S_2O_8^(2-)`

A

-2

B

-1

C

-1.75

D

-2.5

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AAKASH INSTITUTE ENGLISH-TEST 5-EXAMPLE
  1. Identify the compound in which 'S' has highest oxidation state.

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  2. Given : Identify the cell which will give maximum EMF^o

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  3. What is the average oxidation state of oxygen In S2O8^(2-)

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  4. MnO(4)^(2-) undergoes disproportionation reaction in acidic medium but...

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  5. Identity the disproportionation reaction.

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  6. Which of the following arrangements represent increasing oxidation num...

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  7. In which of the following compounds, an element exhibits two different...

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  8. Consider the following reactions. I. 2PbO + 4HCl to 2PbCl2 + 2H2O ll....

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  9. Choose the non-redox reaction.

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  10. The most basic oxide among the following is

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  11. Among the following the least soluble sulphate is

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  12. Thermal stability of hydrides of alkali metals

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  13. In the manufacture of sodium hydroxide, by product obtained is

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  14. The abnormally smaller size of Ga among its group can be explained by

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  15. The oxide which is amphoteric in nature is

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  16. When alkali metal is dissolved in liquid NH3 the blue colour of the di...

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  17. Beryllium hydride forms polymeric structure in solid state due to exis...

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  18. Percentage strength of 100 Volume H2O2 solution is nearly

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  19. Which among the following is not a silicate

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  20. which of the following compounds on hydrolysis will form cross linked ...

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